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IN THE SHETLANDS
379
and the seal-rocks which I passed in the steamer were such as to support this view.
Putting everything together, I believe that, both in respect to the rocks on which they lie, and the times at which they lie on them, the one and only law by which seals are governed is the law of practicability. It is a very good law, and I wish I had always been governed by it too—I mean beforehand.
